<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title></title>
    <script type="text/javascript">
    let [{a,b},[n1,n2,n3], num, str] = [{a: 1,b: 2},[1,2,3],8,'abc'];

    console.log(a,b,n1,n2,n3,num,str);

    </script>
  </head>
  <body>

  </body>
</html>
